Finding the Fourth Proportional to 6,402,784.79, 9,610,669.67 and 5,677,959.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,402,784.79 : 9,610,669.67 = 5,677,959.69 : x
2. Step 2: Convert to fraction form
   6,402,784.79/9,610,669.67 = 5,677,959.69/x
3. Step 3: Cross multiply
   6,402,784.79x = 9,610,669.67 × 5,677,959.69
4. Step 4: Simplify right side
   6,402,784.79x = 54,568,994,980,165.61
5. Step 5: Solve for x
   x = 54,568,994,980,165.61/6,402,784.79
6. Step 6: Final answer
   x = 8,522,697.04